Presented by Petroc Trelawny. The BBC National Orchestra of Wales' concert from St David's Hall, Cardiff, concludes with Poulenc's early ballet Les biches, followed by Stravinsky's The Rite of Spring, one of the great orchestral showpieces that evokes the violent arrival of the Russian spring. BBC National Orchestra and Chorus of Wales Thierry Fischer (conductor) Poulenc: Les biches Stravinsky: The Rite of Spring.